diff --git a/package.json b/package.json
index 7b47871e..652c5fea 100644
--- a/package.json
+++ b/package.json
@@ -79,7 +79,7 @@
     "@typescript-eslint/parser": "~7.1.0",
     "@typescript-eslint/types": "~7.1.0",
     "benchmark": "^2.1.4",
-    "chai": "^4.4.1",
+    "chai": "^5.0.0",
     "env-cmd": "^10.1.0",
     "esbuild": "^0.20.1",
     "esbuild-register": "^3.5.0",